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Finding the Fourth Proportional to 8,570.94, 12,854.97 and 2,413.50

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Solution

The fourth proportional to 8,570.94, 12,854.97 and 2,413.50 is: 3,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.94 : 12,854.97 = 2,413.50 : x
  2. Step 2: Convert to fraction form
    8,570.94/12,854.97 = 2,413.50/x
  3. Step 3: Cross multiply
    8,570.94x = 12,854.97 × 2,413.50
  4. Step 4: Simplify right side
    8,570.94x = 31,025,470.10
  5. Step 5: Solve for x
    x = 31,025,470.10/8,570.94
  6. Step 6: Final answer
    x = 3,619.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.